Introducing Routing and Switching in the Enterprise, CCNA Discovery Learning Guide

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  • Edition: 1st
  • Format: Paperback
  • Copyright: 2008-04-25
  • Publisher: Cisco Press
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Supplemental Materials

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Introducing Routing and Switching in the Enterprise, CCNA Discovery Learning Guideis the official supplemental textbook for the Introducing Routing and Switching in the Enterprise course in the Ciscoreg; Networking Academyreg; CCNAreg; Discovery curriculum version 4. The course, the third of four in the new curriculum, familiarizes you with the equipment applications and protocols installed in enterprise networks, with a focus on switched networks, IP Telephony requirements, and security. It also introduces advanced routing protocols such as Enhanced Interior Gateway Routing Protocol (EIGRP) and Open Shortest Path First (OSPF) Protocol. Hands-on exercises include configuration, installation, and troubleshooting. TheLearning Guide, written and edited by instructors, is designed as a portable desk reference to use anytime, anywhere to reinforce the material from the course and organize your time. TheLearning Guiders"sfeatures help you focus on important concepts to succeed in this course: Chapter ObjectivesReview core concepts by answering the focus questions listed at the beginning of each chapter. Key TermsRefer to the lists of networking vocabulary introduced and highlighted in context in each chapter. The Glossary defines each key term. Summary of Activities and LabsMaximize your study time with this complete list of all associated exercises at the end of each chapter. Check Your UnderstandingEvaluate your readiness with the end-of-chapter questions that match the style of questions you see in the online course quizzes. The answer key explains each answer. Challenge Questions and ActivitiesApply a deeper understanding of the concepts with these challenging end-of-chapter questions and activities. The answer key explains each answer. Hands-on Labs Master the practical, hands-on skills of the course by performing all the tasks in the course labs and additional challenge labs included in Part II of the Learning Guide. How ToLook for this icon to study the steps you need to learn to perform certain tasks. Interactive ActivitiesReinforce your understanding of topics with more than 60 different exercises from the online course identified through-out the book with this icon. The files for these activities are on the accompanying CD-ROM. Packet Tracer Activities Explore and visualize networking concepts using Packet Tracer exercises interspersed throughout some chapters. The files for these activities are on the accompanying CD-ROM. Packet Tracer v4.1 software developed by Cisco is available separately. Hands-on LabsWork through all 44 course labs and 4 additional challenge labs included in Part II of the book. The labs are an integral part of the CCNA Discovery curriculum; review the core text and the lab material to prepare for all your exams. Companion CD-ROM The CD-ROM includes Interactive Activities Packet Tracer Activity files IT Career Information Taking Notes Lifelong Learning This book is part of the Cisco Networking Academy Series from Cisco Pressreg;. Books in this series support and complement the Cisco Networking Academy curriculum.

Author Biography

Allan Reid is the curriculum lead for CCNA and a CCNA and CCNP® instructor at the Centennial College CATC in Toronto, Canada. 


Jim Lorenz is an instructor and curriculum developer for the Cisco Networking Academy.


Cheryl Schmidt is a professor of Network Engineering Technology at Florida Community College at Jacksonville.

Table of Contents

Introductionp. xxix
Networking in the Enterprisep. 3
Objectivesp. 3
Key Termsp. 3
Describing the Enterprise Networkp. 4
Supporting the Business Enterprisep. 5
Traffic Flow in the Enterprise Networkp. 5
Enterprise Campusp. 8
Enterprise Edgep. 8
Service Provider Edgep. 10
Enterprise LANs and WANsp. 10
Intranets and Extranetsp. 12
Identifying Enterprise Applicationsp. 12
Traffic Flow Patternsp. 12
Applications and Traffic on an Enterprise Networkp. 13
Network Traffic Prioritizationp. 14
Data Trafficp. 14
Voice and Video Trafficp. 14
Supporting Remote Workersp. 15
Teleworkingp. 15
Virtual Private Networksp. 16
Summaryp. 18
Activities and Labsp. 18
Check Your Understandingp. 19
Challenge Questions and Activitiesp. 20
Exploring the Enterprise Network Infrastructurep. 21
Objectivesp. 21
Key Termsp. 21
Describing the Current Networkp. 22
Enterprise Network Documentationp. 22
Business Continuity Planp. 24
Business Security Planp. 25
Network Maintenance Planp. 25
Service-Level Agreementp. 25
Network Operations Center (NOC)p. 26
Telecommunication Room Design and Considerationsp. 29
Supporting the Enterprise Edgep. 31
Service Delivery at the Point of Presencep. 31
Security Considerations at the Enterprise Edgep. 32
Connecting the Enterprise Network to External Servicesp. 33
Reviewing Routing and Switchingp. 34
Router Hardwarep. 35
Out-of-Band Managementp. 37
In-Band Managementp. 38
Basic Router CLI show Commandsp. 38
Basic Router Configuration Using CLIp. 46
Switch Hardwarep. 48
Basic Switch CLI Commandsp. 50
Summaryp. 59
Activities and Labsp. 59
Check Your Understandingp. 60
Challenge Questions and Activitiesp. 63
Switching in an Enterprise Networkp. 65
Objectivesp. 65
Key Termsp. 65
Describing Enterprise-Level Switchingp. 67
Switching and Network Segmentationp. 67
Multilayer Switchingp. 68
Layer 2p. 69
Layer 3p. 69
Types of Switchingp. 69
Store-and-Forwardp. 70
Cut-Through Switchingp. 70
Switch Securityp. 70
Preventing Switching Loopsp. 71
Redundancy in a Switched Networkp. 72
Multiple Frame Transmissionsp. 74
MAC Database Instabilityp. 75
Spanning Tree Protocol (STP)p. 75
Blockingp. 77
Listeningp. 77
Learningp. 77
Forwardingp. 77
Disabledp. 77
Root Bridgesp. 78
Spanning Tree in a Hierarchical Networkp. 79
PortFastp. 80
UplinkFastp. 80
BackboneFastp. 81
STP Diagnostic show Commandsp. 81
Rapid Spanning Tree Protocol (RSTP)p. 85
Configuring VLANsp. 85
Virtual LANp. 85
Static VLANsp. 86
Dynamic VLANsp. 87
Configuring a Virtual LANp. 87
Identifying VLANsp. 91
Trunking and Inter-VLAN Routingp. 92
Trunk Portsp. 92
Access Portp. 93
Trunk Portp. 93
Extending VLANs Across Switchesp. 94
Inter-VLAN Switchingp. 95
Maintaining VLANs on an Enterprise LANp. 97
VLAN Trunking Protocol (VTP)p. 97
VTP Modesp. 98
VTP Revision Numbersp. 98
VTP Message Typesp. 99
Configuring VTPp. 99
VLAN Support for IP Telephony and Wirelessp. 102
VLAN Best Practicesp. 103
Summaryp. 105
Activities and Labsp. 105
Check Your Understandingp. 106
Challenge Questions and Activitiesp. 108
Addressing in an Enterprise Networkp. 109
Objectivesp. 109
Key Termsp. 109
Using a Hierarchical IP Network Address Schemep. 110
Flat and Hierarchical Networksp. 110
Hierarchical Network Addressingp. 112
Using Subnetting to Structure the Networkp. 115
Using VLSMp. 116
Subnet Maskp. 117
Table of Contents provided by Publisher. All Rights Reserved.


Introduction IntroductionCisco Networking Academy is a comprehensive e-learning program that delivers information technology skills to students around the world. The Cisco CCNA Discovery curriculum consists of four courses that provide a comprehensive overview of networking, from fundamentals to advanced applications and services. The curriculum emphasizes real-world practical application, while providing opportunities for you to gain the skills and hands-on experience needed to design, install, operate, and maintain networks in small to medium-sized businesses and in enterprise and Internet service provider environments. The Introducing Routing and Switching in the Enterprise course is the third course in the curriculum.Introducing Routing and Switching in the Enterprise, CCNA Discovery Learning Guideis the official supplemental textbook for the third course in v4.xof the CCNA Discovery online curriculum of the Networking Academy. As a textbook, this book provides a ready reference to explain the same networking concepts, technologies, protocols, and devices as the online curriculum. In addition, it contains all the interactive activities, Packet Tracer activities, and hands-on labs from the online curriculum and bonus labs.This book emphasizes key topics, terms, and activities and provides many alternative explanations and examples as compared with the course. You can use the online curriculum as directed by your instructor and then also use thisLearning Guide'sstudy tools to help solidify your understanding of all the topics. In addition, the book includes the following:Expanded coverage of CCNA exam materialAdditional key Glossary termsBonus labsAdditional Check Your Understanding and Challenge questions and activitiesInteractive activities and Packet Tracer activities on the CD-ROM Goal of This BookFirst and foremost, by providing a fresh, complementary perspective of the online content, this book helps you learn all the required materials of the third course in the Networking Academy CCNA Discovery curriculum. As a secondary goal, individuals who do not always have Internet access can use this text as a mobile replacement for the online curriculum. In those cases, you can read the appropriate sections of this book, as directed by your instructor, and learn the topics that appear in the online curriculum. Another secondary goal of this book is to serve as your offline study material to help prepare you for the CCNA exams. Audience for This BookThis book's main audience is anyone taking the third CCNA Discovery course of the Networking Academy curriculum. Many Networking Academies use this textbook as a required tool in the course, whereas other Networking Academies recommend the learning guides as an additional source of study and practice materials. Book FeaturesThe educational features of this book focus on supporting topic coverage, readability, and practice of the course material to facilitate your full understanding of the course material. Topic CoverageThe following features give you a thorough overview of the topics covered in each chapter so that you can make constructive use of your study time:Objectives: Listed at the beginning of each chapter, the objectives reference the core concepts covered in the chapter. The objectives match the objectives stated in the corresponding chapters of the online curriculum; however, the question format in theLearning Guideencourages you to think about finding the answers as you read the chapter."How-to" feature: When this book covers a set of steps that you need to perform for certain tasks, the text lists the steps as a how-to list. When you are studying, the ic

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